Echo CS-341 Manuel d'utilisateur télécharger pdf (Page 9)

aDjustment, Chain tension

IMPORTANT

Always loosen guide bar nuts before turning chain

tension adjuster, otherwise clutch cover and tensioner

will be damaged.

1. Remove spark plug lead.

2. Loosen two guide bar nuts, if necessary.

3. Hold the bar nose up, and turn the adjuster screw (L)

clockwise until chain ts snugly against underside of

bar.

4. Tighten both guide bar nuts with bar nose held up.

5. Pull the saw chain around the guide bar by hand.

Reduce chain tension, if you feel tight spots.

6. When chain is properly tensioned, tighten guide bar

nuts securely - 90 – 110 kgf • cm (80 – 95 in • lbf.).

7. Keep chain properly tensioned at all times.

NOTE

All chains require frequent adjustments.

fuel anD lubRiCant

NOTICE: Use of unmixed, improperly mixed, or fuel older than 90 days, (stale fuel), may cause hard starting, poor

performance, or severe engine damage and void the product warranty. Read and follow instructions in the Storage

section of this manual.

fuel statement

WARNING

Alternative fuels, such as E-15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting ECHO requirements

are NOT approved for use in ECHO 2-stroke gasoline engines. Use of alternative fuels may cause performance

problems, loss of power, overheating, fuel vapor lock, and unintended machine operation, including, but not limited

to, improper clutch engagement. Alternative fuels may also cause premature deterioration of fuel lines, gaskets,

carburetors and other engine components.

Gasoline - Use 89 Octane [R+M/2] (mid grade or higher) gasoline known to be good quality. Gasoline may contain

up to 10% Ethanol (grain alcohol) or 15% MTBE (methyl tertiary-butyl ether). Gasoline containing methanol (wood

alcohol) is NOT approved.

Two Stroke Oil - A two-stroke engine oil meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FD Standards must be

used. Echo brand premium Power Blend X

Universal 2-Stroke Oil meets these standards. Engine problems due to

inadequate lubrication caused by failure to use an ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FD certied oil, such as

Echo premium Power Blend X

, will void the two-stroke engine warranty.

IMPORTANT

Echo premium Power Blend X

Universal 2-Stroke Oil may be mixed at 50:1 ratio for application in all Echo en-

gines sold in the past regardless of ratio specied in those manuals.

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Echo CS-341 Manuel d'utilisateur Page 9